Pablo Guides

# Kali Linux Course #409: onesixtyone$

## Section 1: Introduction to onesixtyone$

Welcome to the first section of our comprehensive course on the Kali Linux tool 'onesixtyone$'. In this section, we will delve into the installation, configuration, usage, and practical applications of onesixtyone$. This tool is an essential asset for network enumeration during penetration testing.

### 1.1 Overview of onesixtyone$

`onesixtyone$` is a popular SNMP (Simple Network Management Protocol) scanner designed to enumerate network devices and collect information related to their configurations and security. It is especially useful for finding SNMP-enabled devices on a network and discovering their vulnerabilities.

### 1.2 Installation and Configuration on Kali Linux

To begin using `onesixtyone$`, we first need to install it on our Kali Linux system. Follow these steps for a successful installation:

#### Step 1: Update Your Kali Linux System

Before installing new software, it's essential to ensure your system is up-to-date. Open your terminal and run:

"`bash
sudo apt update && sudo apt upgrade -y
"`

#### Step 2: Install onesixtyone$

`onesixtyone$` comes pre-installed in the Kali Linux distribution. To verify its presence, you can run the following command:

"`bash
onesixtyone -h
"`

If you receive a help message, it confirms that `onesixtyone$` is installed. If not, you can install it using the following command:

"`bash
sudo apt install onesixtyone
"`

#### Step 3: Configure onesixtyone$

While `onesixtyone$` can be run without any configuration, you might want to adjust its settings for optimal performance. The configuration file is located at `/etc/onesixtyone.conf`. Here you can specify default community strings and set up any specific settings for your enumerations.

To edit the configuration file, use a text editor such as Nano:

"`bash
sudo nano /etc/onesixtyone.conf
"`

Add your community strings; for example:

"`
public
private
"`

### 1.3 Step-by-Step Usage and Real-World Use Cases

Now that we have `onesixtyone$` installed and configured, let's explore how to use it effectively for network enumeration.

#### Step 1: Basic Usage

The simplest way to run `onesixtyone$` is to specify the target IP address or range. Here’s the basic syntax:

"`bash
onesixtyone -c -i
"`

– `-c` allows you to specify the community string.
– `-i` accepts a file containing target IP addresses.

##### Example Command

Suppose you want to scan a single IP address with a community string of `public`. Here’s how to execute the command:

"`bash
onesixtyone -c public 192.168.1.1
"`

This will retrieve available SNMP data from the device at that IP address.

#### Step 2: Scanning Multiple IP Addresses

To scan multiple devices, create a text file named `targets.txt` with a list of IP addresses:

"`
192.168.1.1
192.168.1.2
192.168.1.3
"`

Then run:

"`bash
onesixtyone -c public -i targets.txt
"`

#### Step 3: Advanced Options

`onesixtyone$` provides several advanced features, such as:

– **Timeout settings**: Adjust the timeout for responses.
– **Verbose output**: Use `-v` option to enable verbose output for detailed information.

Example of a command with advanced options:

"`bash
onesixtyone -c public -i targets.txt -t 1 -v
"`

#### Real-World Use Case: Network Device Enumeration

Imagine you are performing a penetration test on a corporate network. The organization has numerous SNMP-enabled devices such as switches, routers, and printers. You can use `onesixtyone$` to quickly gather information on these devices, which may help identify vulnerabilities.

1. **Identify SNMP-enabled devices**: By scanning the network, you can locate devices configured with SNMP.
2. **Enumerate their configurations**: Retrieve details about device configurations, such as routing tables, VLAN settings, and system uptime.
3. **Assess security posture**: Evaluate whether the community strings are weak and if sensitive information is exposed.

### 1.4 Detailed Technical Explanations and External References

To enhance your understanding of SNMP and `onesixtyone$`, here are some technical explanations:

– **SNMP Basics**: SNMP operates over UDP and uses a client-server architecture where the client (SNMP manager) requests information and the server (SNMP agent) responds.
– **Community Strings**: These act like passwords for accessing SNMP data. The default community strings (`public` and `private`) are often unchanged, making systems vulnerable.
– **Data Types**: Understand different SNMP data types such as `INTEGER`, `STRING`, and `OID (Object Identifiers)`, which are essential for interpreting the data retrieved.

For more detailed information, consider reviewing the following external resources:

– [SNMP Basics by Cisco](https://www.cisco.com/c/en/us/support/docs/ip/simple-network-management-protocol-snmp/103118-what-is-snmp.html)
– [onesixtyone Documentation](https://www.kali.org/tools/onesixtyone/)
– [Understanding Community Strings in SNMP](https://www.snmp.com/snmp-community-strings/)

### 1.5 Code Examples in Markdown Code Blocks

Below are some useful code examples to illustrate the commands discussed:

"`bash
# Update Kali Linux
sudo apt update && sudo apt upgrade -y

# Install onesixtyone if not installed
sudo apt install onesixtyone

# Scan a single IP address
onesixtyone -c public 192.168.1.1

# Scan multiple IP addresses from a file
onesixtyone -c public -i targets.txt

# Run with advanced options
onesixtyone -c public -i targets.txt -t 1 -v
"`

### Conclusion

In this section, we covered the fundamental aspects of installing, configuring, and using `onesixtyone$`. As a powerful tool for SNMP enumeration, `onesixtyone$` is invaluable in the ethical hacker's toolkit. In future sections, we will continue to explore additional techniques and features to maximize the effectiveness of your penetration testing efforts.

—

Made by pablo rotem / פבלו רותם